package com.sxhalo.manage.dao;

import java.sql.Timestamp;
import java.util.List;

import org.hibernate.LockOptions;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.transaction.annotation.Transactional;

import com.sxhalo.manage.map.TaskLog;
import com.sxhalo.manage.utils.Pager;

/**
 * A data access object (DAO) providing persistence and search support for
 * TaskLog entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see com.sxhalo.manage.map.TaskLog
 * @author MyEclipse Persistence Tools
 */
@Transactional
public class TaskLogDAO {
	private static final Logger log = LoggerFactory.getLogger(TaskLogDAO.class);
	// property constants
	public static final String TASK_ID = "taskId";
	public static final String TASK_LOG_NAME = "taskLogName";
	public static final String TASK_LOG_DESCRIPTION = "taskLogDescription";
	public static final String TASK_LOG_CREATOR = "taskLogCreator";
	public static final String TASK_LOG_TYPE = "taskLogType";
	public static final String TASK_LOG_PERCENT = "taskLogPercent";

	private SessionFactory sessionFactory;

	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}

	private Session getCurrentSession() {
		return sessionFactory.getCurrentSession();
	}

	protected void initDao() {
		// do nothing
	}

	public void save(TaskLog transientInstance) {
		log.debug("saving TaskLog instance");
		try {
			getCurrentSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(TaskLog persistentInstance) {
		log.debug("deleting TaskLog instance");
		try {
			getCurrentSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public TaskLog findById(java.lang.Integer id) {
		log.debug("getting TaskLog instance with id: " + id);
		try {
			TaskLog instance = (TaskLog) getCurrentSession().get(
					"com.sxhalo.manage.map.TaskLog", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(TaskLog instance) {
		log.debug("finding TaskLog instance by example");
		try {
			List results = getCurrentSession()
					.createCriteria("com.sxhalo.manage.map.TaskLog")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding TaskLog instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from TaskLog as model where model."
					+ propertyName + "= ?";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByTaskId(Object taskId) {
		return findByProperty(TASK_ID, taskId);
	}

	public List findByTaskLogName(Object taskLogName) {
		return findByProperty(TASK_LOG_NAME, taskLogName);
	}

	public List findByTaskLogDescription(Object taskLogDescription) {
		return findByProperty(TASK_LOG_DESCRIPTION, taskLogDescription);
	}

	public List findByTaskLogCreator(Object taskLogCreator) {
		return findByProperty(TASK_LOG_CREATOR, taskLogCreator);
	}

	public List findByTaskLogType(Object taskLogType) {
		return findByProperty(TASK_LOG_TYPE, taskLogType);
	}

	public List findByTaskLogPercent(Object taskLogPercent) {
		return findByProperty(TASK_LOG_PERCENT, taskLogPercent);
	}

	public List findAll() {
		log.debug("finding all TaskLog instances");
		try {
			String queryString = "from TaskLog";
			Query queryObject = getCurrentSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public TaskLog merge(TaskLog detachedInstance) {
		log.debug("merging TaskLog instance");
		try {
			TaskLog result = (TaskLog) getCurrentSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(TaskLog instance) {
		log.debug("attaching dirty TaskLog instance");
		try {
			getCurrentSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(TaskLog instance) {
		log.debug("attaching clean TaskLog instance");
		try {
			getCurrentSession().buildLockRequest(LockOptions.NONE).lock(
					instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static TaskLogDAO getFromApplicationContext(ApplicationContext ctx) {
		return (TaskLogDAO) ctx.getBean("TaskLogDAO");
	}


   public Pager findPagerList(int pageNumber, int pageSize, String whereStr) {
	log.debug("finding Pager TaskLog instances");
	try {
		String queryString = "from TaskLog";
		if (whereStr != null && whereStr.length() > 0) {
			queryString = queryString + " where " + whereStr;
		}
		Query queryObject = getCurrentSession().createQuery(queryString);
		// 总记录数
		int total = queryObject.list().size();
		Pager pageData = new Pager(total, pageNumber, pageSize);
		// 设置分页
		queryObject.setFirstResult((pageNumber - 1) * pageSize);
		queryObject.setMaxResults(pageSize);
		// 分页数据
		pageData.setList(queryObject.list());
		return pageData;
	} catch (RuntimeException re) {
		log.error("find Pager TaskLog failed", re);
		throw re;
	}
}
}